{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

kathleen - handout 3

kathleen - handout 3 - BICD 100 – Genetics TA Kathleen...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: BICD 100 – Genetics TA: Kathleen Yip Section Handout #3 Office Hours: F 9-10am, CLICS study tables, first floor Exam #1 Info: • Average: ~ 85% for scantron section. Good job! • Answer keys will not be online. Want to see the questions/answers? See me. Summary of lecture 7 & 8 • Aneuploidy –an increase or decrease in one chromosome (i.e. trisomy 21 [2n+1] produces Down syndrome) and caused by nondisjunction • Polyploidy – having >2 haploid sets of chromosomes. Most common in plants • Nondisjunction – an error in either meiosis I and/or II • Primary Down Syndrome – having three copies of chromosome #21 • Familial Down Syndrome (refer to Figure 9-23 on p.253) – usually caused by chromosomes 14 & 21, in which one of the two #21’s attaches itself to #14 through a Robertsonian translocation. o Study Figure 9-23 (pg. 253) really well! Know why the ratios happen (for example, there are no Study Figure 9-23 (pg....
View Full Document

{[ snackBarMessage ]}

Page1 / 2

kathleen - handout 3 - BICD 100 – Genetics TA Kathleen...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online